lunedì 30 maggio 2016

NYT Science: Triplet and Higher-Order Births in U.S. Down 41%

Triplet and Higher-Order Births in U.S. Down 41%
By NICHOLAS BAKALAR

The decline, which comes after a rapid rise in the 1980s and '90s, occurred between 1998 and 2014, according to a new report.

Published: May 31, 2016 at 06:00AM

via NYT Science http://ift.tt/1sXDmLR